Xo
S+25% Chance for a Deadly Blow — Level 59 socketable rune
Before socketing
This is a historical rune reference, not a current-patch tier recommendation. The record lists Xo at level 59. Check both your item's socket rules and the current tooltip before committing it. An offensive bonus, a resource bonus, and a defensive bonus solve different problems; compare the alternatives below against the limitation you are actually encountering.
Rune Effect
Rune Info
Usage Tips
Compare recorded Tier S options
| Rune | Level | Recorded effect |
|---|---|---|
| Qi | 57 | Attack Damage increased by 20% |
| Xo | 59 | +25% Chance for a Deadly Blow |
| Sur | 61 | Mana Increased by 10% |
| Ber | 63 | +8% Chance for a Crushing Blow |
| Jah | 65 | Life Increased by 10% |
| Drax | 67 | Cannot be Frozen |
| Zed | 69 | Magic Skill Damage increased by 13% |
These labels group the historical data. They do not establish a best choice for every build. Compare at an eligible level, hold the rest of your gear fixed, and check whether the chosen bonus affects your actual skill or survival problem.
Source and patch scope
Adapted and reorganized from Hero Siege Wiki: Socketables, collected May 12, 2026. Credit: Wiki contributors. Licensed text and these adaptations use CC BY-SA 4.0. These records have not been revalidated for Season 10.